1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/include/debug/bcm63xx.S b/arch/arm/include/debug/bcm63xx.S
new file mode 100644
index 000000000..e7164d570
--- /dev/null
+++ b/arch/arm/include/debug/bcm63xx.S
@@ -0,0 +1,33 @@
+/*
+ * Broadcom BCM63xx low-level UART debug
+ *
+ * Copyright (C) 2014 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/serial_bcm63xx.h>
+
+	.macro	addruart, rp, rv, tmp
+	ldr	\rp, =CONFIG_DEBUG_UART_PHYS
+	ldr	\rv, =CONFIG_DEBUG_UART_VIRT
+	.endm
+
+	.macro	senduart, rd, rx
+	/* word access do not work */
+	strb	\rd, [\rx, #UART_FIFO_REG]
+	.endm
+
+	.macro	waituart, rd, rx
+1001:	ldr	\rd, [\rx, #UART_IR_REG]
+	tst	\rd, #(1 << UART_IR_TXEMPTY)
+	beq	1001b
+	.endm
+
+	.macro	busyuart, rd, rx
+1002:	ldr	\rd, [\rx, #UART_IR_REG]
+	tst	\rd, #(1 << UART_IR_TXTRESH)
+	beq	1002b
+	.endm